Int J Stomatol

Inter J Stomatol ›› 2010, Vol. 37 ›› Issue (01): 33-35.doi: 10.3969/j.issn.1673-5749.2010.01.010

• Orginal Article • Previous Articles     Next Articles

Adhesion of oral microorganisms on three different denture base resins

LIU Li, WANG De-fang, WANG Jue   

  1. Dept. of Prosthodontics, Shanghai Stomatological Disease Center, Shanghai 200001,
  • Received:2009-05-27 Revised:2009-11-10 Online:2010-01-20 Published:2010-01-20
  • Contact: WANG De-fang

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Abstract: Objective To compare the adhesion ability of oral microorganisms to BPS resin, heat-polymerized resin and Lucitone 199 in vitro. Methods The quantification of the attached Streptococcus sanguis, Actinomyces viscosus and Saccharomyces albicans on the surfaces of the BPS resin, heat-polymerized resin and Lucitone 199 were assayed by means of clone forming unit（CFU） method in vitro. Results After 24, 48, 168 hours, in the quantification of the attached Streptococcus sanguis and Saccharomyces albicans, statistical differences were observed between groups of heat-polymerized resin and BPS resin, heat -polymerized resin and Lucitone 199（P<0.001）. There was no significant difference between groups of BPS resin and Lucitone 199（P>0.05）. In the quantification of the attached Actinomyces viscosus, after 24 hours, statistical difference was observed between groups of heat-polymerized resin and BPS resin（P<0.05）. Statistical differences were observed between groups of heatpolymerized resin, BPS resin and Lucitone 199 after 48 and 168 hours（P<0.05）. Conclusion Compared with heat-polymerized resin, BPS resin and Lucitone 199 could decrease the adhesion of Streptococcus sanguis, Actinomyces viscosus and Saccharomyces albicans.

Key words: BPS resin, heat-polymerized resin, microorganisms adhesion

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